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Mirrors > Home > MPE Home > Th. List > nnexpcl | Structured version Visualization version GIF version |
Description: Closure of exponentiation of nonnegative integers. (Contributed by NM, 16-Dec-2005.) |
Ref | Expression |
---|---|
nnexpcl | ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℕ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnsscn 11637 | . 2 ⊢ ℕ ⊆ ℂ | |
2 | nnmulcl 11655 | . 2 ⊢ ((𝑥 ∈ ℕ ∧ 𝑦 ∈ ℕ) → (𝑥 · 𝑦) ∈ ℕ) | |
3 | 1nn 11643 | . 2 ⊢ 1 ∈ ℕ | |
4 | 1, 2, 3 | expcllem 13434 | 1 ⊢ ((𝐴 ∈ ℕ ∧ 𝑁 ∈ ℕ0) → (𝐴↑𝑁) ∈ ℕ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2110 (class class class)co 7150 ℕcn 11632 ℕ0cn0 11891 ↑cexp 13423 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4833 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-tr 5166 df-id 5455 df-eprel 5460 df-po 5469 df-so 5470 df-fr 5509 df-we 5511 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-pred 6143 df-ord 6189 df-on 6190 df-lim 6191 df-suc 6192 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-2nd 7684 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-nn 11633 df-n0 11892 df-z 11976 df-uz 12238 df-seq 13364 df-exp 13424 |
This theorem is referenced by: digit1 13592 nnexpcld 13600 faclbnd4lem3 13649 faclbnd5 13652 climcndslem1 15198 climcndslem2 15199 climcnds 15200 harmonic 15208 geo2sum 15223 geo2lim 15225 ege2le3 15437 eftlub 15456 ef01bndlem 15531 phiprmpw 16107 pcdvdsb 16199 pcmptcl 16221 pcfac 16229 pockthi 16237 prmreclem3 16248 prmreclem5 16250 prmreclem6 16251 modxai 16398 1259lem5 16462 2503lem3 16466 4001lem4 16471 ovollb2lem 24083 ovoliunlem1 24097 ovoliunlem3 24099 dyadf 24186 dyadovol 24188 dyadss 24189 dyaddisjlem 24190 dyadmaxlem 24192 opnmbllem 24196 mbfi1fseqlem1 24310 mbfi1fseqlem3 24312 mbfi1fseqlem4 24313 mbfi1fseqlem5 24314 mbfi1fseqlem6 24315 aalioulem1 24915 aaliou2b 24924 aaliou3lem9 24933 log2cnv 25516 log2tlbnd 25517 log2ublem1 25518 log2ublem2 25519 log2ub 25521 zetacvg 25586 vmappw 25687 sgmnncl 25718 dvdsppwf1o 25757 0sgmppw 25768 1sgm2ppw 25770 vmasum 25786 mersenne 25797 perfect1 25798 perfectlem1 25799 perfectlem2 25800 perfect 25801 pcbcctr 25846 bclbnd 25850 bposlem2 25855 bposlem6 25859 bposlem8 25861 chebbnd1lem1 26039 rplogsumlem2 26055 ostth2lem3 26205 ostth3 26208 oddpwdc 31607 tgoldbachgt 31929 faclim2 32975 opnmbllem0 34922 heiborlem3 35085 heiborlem5 35087 heiborlem6 35088 heiborlem7 35089 heiborlem8 35090 heibor 35093 expgcd 39176 hoicvrrex 42831 ovnsubaddlem2 42846 ovolval5lem1 42927 fmtnoprmfac2lem1 43721 fmtno4prm 43730 perfectALTVlem1 43879 perfectALTVlem2 43880 perfectALTV 43881 bgoldbachlt 43971 tgblthelfgott 43973 tgoldbachlt 43974 blenpw2 44631 nnpw2pb 44640 nnolog2flm1 44643 |
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